Answer:
they did not meet since they left school
It's been a while since I've read the book and I don't really a lot of the context, so just from this passage I would say it says he notices nice houses and other people's wealth and maybe envies them a little bit. (although you don't get that explicitly from this passage.)
Answer: The piece of evidence which supports the idea that some people can resist the fear of standing alone is option
Explanation:
Answer: Teenagers by nature have a tendency to be more reckless and allowing them to play dangerous sports is a risk.
Explanation:
After this you need to find some sources to draw off, maybe throw in a statistic about how people in adolescence's brains aren't fully developed yet and can lead to more risktaking. Not sure what your argumentative stand is on this but you need to summarize your points from earlier without saying exactly the same thing.